Danfoss AHQM Combined Automatic Flow Limiter & Differential-Pressure Controller (PICV) DN 15, PN 16 (003L3594)

Part Number
003L3594 · HS 8481.80

Danfoss AHQM (balancing valves), OEM order code 003L3594. Self-acting combined automatic flow limiter and differential-pressure controller (pressure-independent control valve) for hydronic balancing of heating and cooling circuits. Manufacturer description: AHQM PN16 15/1,6/0,12 ext.thr flow/ret. connection/size DN 15, Kvs 1.6 m³/h, PN 16; max. differential pressure 4 bar, media/setting temperature 2 °C to 120 °C, body material DZR brass CuZn36Pb2AS (CW 602N). EAN 5702421560679. HS 8481.80. Specifications quoted verbatim from store.danfoss.com (code 003L3594).

Technical Specifications

Brand

Danfoss

Part number

003L3594

Code number

003L3594

Type

AHQM

Product group

Pressure flow controllers

Description

AHQM PN16 15/1,6/0,12 ext.thr flow/ret

Gross weight

0.472 Kilogram

Net weight

0.472 Kilogram

Actuator diaphragm material

EPDM

Application

District Heating

Cavitation factor

0.6

Connection size

G 3/4 A

Connection types

External Thread

Diameter [mm]

15 mm

Differential pressure range [bar] [Max]

4 bar

Flow control

Yes

Flow limitation

Yes

Flow rate [m³/h]

1 m³/h

Flow rate [m³/h] [Max]

1 m³/h

Flow rate [m³/h] [Min]

0.2 m³/h

Flow restrictor diff.pressure - dpb [bar]

0.12 bar

Function

Flow controller with int. control valve

Function VSP - P

Function VSP - Q

Function VSP - T

Kvs values [m³/h]

1.6 m³/h

Leakage rate [% Kvs]

0.02

Media pH [Max]

Media pH [Min]

Media temperature [°C] [Max]

120 °C

Media temperature [°C] [Min]

2 °C

Medium alternative

Glycolic water up to 30%

Mounting version

Free

Number of ports

Permissible media

District heating/cooling circulation water

PN alternative VSP

Pressure class

PN 16

Pressure controller

Pressure nominal [bar]

16 bar

Sealing CV material

EPDM

Sealing DP material

EPDM

Setting Type

None

Stem position

Normally open

Stroke [mm]

5.5 mm

Valve body material

DZR brass CuZn36Pb2AS (CW 602N)

Valve cone CV material

DZR CW602N (CuZn36Pb2As)

Valve cone DP material

DZR CW602N (CuZn36Pb2As)

Valve seat material

DZR CW602N (CuZn36Pb2As)

Valve size

DN 15

EAN

5702421560679

HS code

8481.80 (taps, cocks, valves for pipes)

Genuine Danfoss part, order code 003L3594 (Pressure flow controllers). Confirm the code, size (DN 15) and matching valve/actuator family against your Danfoss datasheet before ordering.

Material	DZR brass CuZn36Pb2AS (CW 602N)
Pressure rating	PN 16; max. differential pressure 4 bar
Temperature range	2 °C to 120 °C
Standard size	DN 15
MOQ	1

Danfoss AHQM Combined Automatic Flow Limiter & Differential-Pressure Controller (PICV) DN 15, PN 16 (003L3594)

Technical Specifications

Properties

Compatibility

Attached Documents